Abstract

Bridges are critical infrastructural components that can be significantly impacted by flooding. Despite substantial research on the risk of bridges to floods, there is a knowledge gap regarding the restoration modelling, which this research aims to fill. This paper analyses the restoration of a portfolio of bridges damaged or collapsed, during the 2015 Cumbrian floods in the UK. The purpose of this exercise is to develop a methodology that can be replicated to other case studies for facilitating resilience modelling for bridges affected by floods. The paper deploys published restoration and recovery modelling techniques to establish a repeatable way of analysing a large portfolio of bridges in one model, offering valuable insights into the specific challenges and strategic considerations essential for effective post-flood recovery. This approach evaluates the serviceability levels during the restoration process, and identifies key factors influencing restoration outcomes, underscoring the need for evidence-based restoration models to enhance infrastructure resilience against future flood events

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